mirror of
https://github.com/Seeed-Studio/Seeed_Arduino_CAN.git
synced 2026-07-28 04:06:45 +00:00
63 lines
1.4 KiB
Arduino
63 lines
1.4 KiB
Arduino
// demo: Use RX0BF and RX1BF as digital outputs
|
|
// adlerweb, 2017-06-24
|
|
#include <SPI.h>
|
|
#include "mcp_can.h"
|
|
|
|
/*SAMD core*/
|
|
#ifdef ARDUINO_SAMD_VARIANT_COMPLIANCE
|
|
#define SERIAL SerialUSB
|
|
#else
|
|
#define SERIAL Serial
|
|
#endif
|
|
|
|
#define SPI_CS_PIN 10
|
|
|
|
MCP_CAN CAN(SPI_CS_PIN); // Set CS pin
|
|
|
|
|
|
void setup()
|
|
{
|
|
SERIAL.begin(115200);
|
|
|
|
while (CAN_OK != CAN.begin(CAN_500KBPS)) // init can bus : baudrate = 500k
|
|
{
|
|
SERIAL.println("CAN init failed, retry");
|
|
delay(100);
|
|
}
|
|
SERIAL.println("CAN init ok");
|
|
|
|
if(CAN.mcpPinMode(MCP_RX0BF, MCP_PIN_OUT))
|
|
{
|
|
SERIAL.println("RX0BF is now an output");
|
|
}
|
|
else
|
|
{
|
|
SERIAL.println("Could not switch RX0BF");
|
|
}
|
|
|
|
if(CAN.mcpPinMode(MCP_RX1BF, MCP_PIN_OUT))
|
|
{
|
|
SERIAL.println("RX1BF is now an output");
|
|
}
|
|
else
|
|
{
|
|
SERIAL.println("Could not switch RX1BF");
|
|
}
|
|
}
|
|
|
|
void loop()
|
|
{
|
|
SERIAL.println("10");
|
|
CAN.mcpDigitalWrite(MCP_RX0BF, HIGH);
|
|
CAN.mcpDigitalWrite(MCP_RX1BF, LOW);
|
|
delay(500);
|
|
SERIAL.println("01");
|
|
CAN.mcpDigitalWrite(MCP_RX0BF, LOW);
|
|
CAN.mcpDigitalWrite(MCP_RX1BF, HIGH);
|
|
delay(500);
|
|
}
|
|
|
|
/*********************************************************************************************************
|
|
END FILE
|
|
*********************************************************************************************************/
|